Home / 1,087,533-1,631,646.18-456,277.32

Finding the Fourth Proportional to 1,087,533, 1,631,646.18 and 456,277.32

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Solution

The fourth proportional to 1,087,533, 1,631,646.18 and 456,277.32 is: 684,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,533 : 1,631,646.18 = 456,277.32 : x
  2. Step 2: Convert to fraction form
    1,087,533/1,631,646.18 = 456,277.32/x
  3. Step 3: Cross multiply
    1,087,533x = 1,631,646.18 × 456,277.32
  4. Step 4: Simplify right side
    1,087,533x = 744,483,146,198.64
  5. Step 5: Solve for x
    x = 744,483,146,198.64/1,087,533
  6. Step 6: Final answer
    x = 684,561.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.